Features 1、Multi-functional insert plate with rings, suitable for make your own router table for high accuracy woodworking processing. 2、Made by high strength aluminum alloy for long life use. 3、Convenient center-hole bushing used to aligns the router so it is centered in the bit hole. 4、It is easy to operate, save effort and labor, and easy to manipulate and expand the use of the trimming machine at the same time. 5、High-accuracy mechanical technology processing creates perfect quality. Specification Including DIY router lift kit to add height adjustment function for your plunge router (need drilling hole in router base by yourself). Multi-functional insert plate with rings, suitable for make your own router table for high accuracy woodworking processing. Features: Multi-functional insert plate with rings, suitable for make your own router table for high accuracy woodworking processing. Made by high strength aluminum alloy for long life use. Convenient center-hole bushing used to aligns the router so it is centered in the bit hole. It is easy to operate, save effort and labor, and easy to manipulate and expand the use of the trimming machine at the same time. High-accuracy mechanical technology processing creates perfect quality. Specifications: Material: Aluminum Alloy Item size: 235 * 120 * 9mm / 9.3 * 4.7 * 0.4in Item weight: 500g / 1.10lb Package size: 280 * 185 * 15mm / 11.0 * 7.3 * 0.6in Package weight: 510g / 1.12lb Package List: 1 * Router Table Insert Plate 4 * Insert Tools 1 * Packs of Fixing Screws Package List 1 * Router Table Insert Plate 4 * Insert Tools 1 * Packs of Fixing Screws